Home / 7,070.70-10,604.25-2,911.86

Finding the Fourth Proportional to 7,070.70, 10,604.25 and 2,911.86

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Solution

The fourth proportional to 7,070.70, 10,604.25 and 2,911.86 is: 4,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.70 : 10,604.25 = 2,911.86 : x
  2. Step 2: Convert to fraction form
    7,070.70/10,604.25 = 2,911.86/x
  3. Step 3: Cross multiply
    7,070.70x = 10,604.25 × 2,911.86
  4. Step 4: Simplify right side
    7,070.70x = 30,878,091.41
  5. Step 5: Solve for x
    x = 30,878,091.41/7,070.70
  6. Step 6: Final answer
    x = 4,367.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.